CN110767091B

CN110767091B - Folding display device

Info

Publication number: CN110767091B
Application number: CN201911054635.9A
Authority: CN
Inventors: 后红琪; 单奇; 廖富; 朱召吉; 赵永丰; 孙康龙
Original assignee: Yungu Guan Technology Co Ltd
Current assignee: Yungu Guan Technology Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2021-08-17
Anticipated expiration: 2039-10-31
Also published as: CN110767091A; WO2021082621A1; US20220053654A1; US11825617B2

Abstract

The invention provides a folding display device, relates to the technical field of display devices, and aims to solve the problem that the thickness of the folding display device cannot be normally displayed in a half-folded state. This folding display device, two supporting components and middle support piece support the flexible screen jointly, rotate the supporting component that a sliding connection is located middle support piece on one side, supporting component rotates relatively and keeps away from middle support piece along the fifty percent discount direction of flexible screen, the bent axle drives and rotates a rotation, rotate piece and bent axle sliding connection, it slides to the bent axle along the thickness direction of flexible screen, the both ends of connecting rod are articulated with fixing base and rotation piece respectively, the both ends of connecting rod are articulated with fixing base and same supporting component respectively, the flexible screen part of bending is the U-shaped under the supporting component effect, thickness after the folding display device fifty percent discount is thin, the part of bending of flexible screen does not receive middle support piece's squeezing action, so, folding display device is just showing thickness is thin and normal under the state of just folding.

Description

Folding display device

Technical Field

The invention relates to the technical field of display devices, in particular to a folding display device.

Background

Compared with the conventional display device, the foldable display device has the advantages of being foldable and thinner, and becomes a development trend of the display device.

A folded display device typically has three states: the foldable display device comprises a flexible screen and a supporting piece for supporting the flexible screen, and is switched among a right folding state, a reverse folding state and an unfolding state through the shape and position change of the supporting piece. When the folding display device is in the forward folding state, the supporting pieces are located on two sides of the flexible screen after being folded, and when the folding display device is in the reverse folding state, the supporting pieces are located between the flexible screen after being folded.

Folding display device is just folding under the state, and the portion of bending of flexible screen is the drop shape, and the thickness after folding display device fifty percent discount is thick, and the portion of bending of flexible screen receives support piece's squeezing action, can cause the flexible screen inefficacy, unable normal demonstration.

Disclosure of Invention

In view of the above problems, embodiments of the present invention provide a foldable display device to solve the problem that the foldable display device is thick and cannot normally display in a half-folded state.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a first aspect of an embodiment of the present invention provides a foldable display device, which includes a flexible screen, a supporting member, two sets of rotating members, and a fixing base;

the support component comprises a middle support piece and two support assemblies arranged on two sides of the middle support piece, the two support assemblies and the middle support piece support the flexible screen together, and the flexible screen and the two support assemblies are fixedly arranged;

two groups of rotating components are positioned at two sides of the middle supporting piece;

every group rotates the component and includes the bent axle, rotate the piece, connecting rod and connecting rod, it is located the same supporting component on one side of middle support piece to rotate a sliding connection, the bent axle drives and rotates a rotation, rotate piece and bent axle sliding connection, it slides to the bent axle along the thickness direction of flexible screen to rotate the piece, the fixing base is located the one end of bent axle, the both ends of connecting rod are articulated with the fixing base and rotate the piece respectively, the both ends of connecting rod are articulated with fixing base and same supporting component respectively, the supporting component slides to one side of keeping away from middle support piece along the relative rotation piece of fifty percent discount direction of flexible screen.

Compared with the prior art, the folding display device provided by the embodiment of the invention has the following advantages:

in the foldable display device provided by the embodiment of the invention, the foldable display device comprises a flexible screen, support members, two groups of rotating members and a fixed seat, wherein each support member comprises a middle support member and two support members arranged at two sides of the middle support member, the two support members and the middle support member jointly support the flexible screen, the two groups of rotating members are arranged at two sides of the middle support member, each group of rotating members comprises a crankshaft, rotate the piece, connecting rod and connecting rod, it is located the same supporting component on one side of middle support piece to rotate a piece sliding connection, the bent axle drives and rotates a piece rotation, rotate piece and bent axle sliding connection, it slides to the bent axle along the thickness direction of flexible screen to rotate the piece, the fixing base is located the one end of bent axle, the both ends of connecting rod are articulated with the fixing base and rotate the piece respectively, the both ends of connecting rod are articulated with fixing base and same supporting component respectively, the supporting component slides to one side of keeping away from middle support piece along the fifty percent discount direction relative rotation piece of flexible screen. Rotate the piece and rotate and slide to the bent axle under the combined action of bent axle and connecting rod, the thickness direction of slip direction for flexible screen, supporting component rotates and rotates the piece relative under the combined action of rotating piece and connecting rod and slides to one side of keeping away from middle support piece, the slip direction is the fifty percent discount direction of flexible screen, the flexible screen part of bending is the U-shaped under supporting component's effect, thickness after the folding display device fifty percent discount is thin, flexible screen is fixed with two supporting component, two supporting component apart from middle support piece's distance grow, the bending part of flexible screen does not receive middle support piece's squeezing action, so, guarantee that folding display device is just to the thin and normal demonstration of thickness under the book state.

As an improvement of the folding display device according to the embodiment of the present invention, the folding display device further includes a synchronizing mechanism connected to the crankshafts in the two sets of rotating members.

As an improvement of the folding display device according to the embodiment of the present invention, the synchronization mechanism includes a worm and gear mechanism or a gear mechanism.

As an improvement of the folding display device according to the embodiment of the present invention, the folding display device further includes a middle rotating frame, and the crankshafts in the two sets of rotating members are rotatably disposed on the middle rotating frame.

As an improvement of the folding display device in the embodiment of the invention, the intermediate support is long, each group of rotating members comprises two crankshafts, two connecting rods and two connecting rods, the number of the fixed seats is two, and the number of the intermediate rotating frames is two;

along the length direction of the middle supporting piece, the two fixing seats, the two middle rotating frames, the two crankshafts in each group of rotating components, the two connecting rods in each group of rotating components and the two connecting rods in each group of rotating components are symmetrically arranged.

As an improvement of the folding display device of the embodiment of the invention, the fixing seat comprises a fixing part and an S-shaped part connected to one side of the fixing part, and the S-shaped part comprises a first opening and a second opening;

the connecting rods in the two groups of rotating components are connected with the fixed part;

the links of the two sets of rotating members are respectively arranged in the first opening and the second opening.

As an improvement of the foldable display device according to the embodiment of the present invention, the foldable display device further includes a base, the fixing base and the intermediate rotating frame are disposed above the base, and the intermediate supporting member is disposed above the fixing base and the intermediate rotating frame.

As an improvement of the folding display device in the embodiment of the invention, each group of supporting components comprises a supporting frame and a supporting piece connected to the supporting frame, the flexible screen is positioned above the supporting piece, the connecting rods positioned on the same side of the middle supporting piece are hinged to the supporting frame, and the supporting piece is connected to the rotating piece positioned on the same side of the middle supporting piece in a sliding mode.

As an improvement of the folding display device in the embodiment of the invention, a sliding rail is arranged on one side of the supporting piece away from the flexible screen, and the rotating pieces on the same side of the middle supporting piece are inserted in the sliding rail.

As an improvement of the folding display device in the embodiment of the invention, the rotating piece is provided with a long hole at a position corresponding to the crankshaft, and the length direction of the long hole is the thickness direction of the flexible screen.

In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the folding display device and the display device provided by the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a foldable display device in a half-folded state according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a foldable display device in an unfolded state according to an embodiment of the present invention;

fig. 3 is an exploded view of a foldable display device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a foldable display device according to an embodiment of the present invention;

fig. 5 is another exploded view of a foldable display device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fixing base according to an embodiment of the present invention.

Description of reference numerals:

10: a flexible screen;

20: a support member;

21: an intermediate support;

22: a support assembly;

221: a support frame;

222: a support member;

223: a slide rail;

30: a rotating member;

31: a crankshaft;

311: a first crankshaft;

312: a second crankshaft;

32: a rotating member;

321: a strip hole;

322: mounting a boss;

33: a connecting rod;

331: a first connecting rod;

332: a second connecting rod;

34: a connecting rod;

341: a first link;

342: a second link;

40: a fixed seat;

401: a first fixed seat;

402: a second fixed seat;

403: a fixed part;

404: an S-shaped portion;

50: a middle rotating frame;

501: a first intermediate turret;

502: a second intermediate turret;

60: a base.

Detailed Description

In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiments of the present invention provide a foldable display device, which may be, for example, a foldable mobile phone, and the foldable display device can be folded along a folding line.

As shown in fig. 3, the foldable display device in the embodiment of the present invention includes a flexible panel 10 and a support member 20, the flexible panel 10 may be, for example, an Organic Light-Emitting Diode (OLED), the support member 20 includes a middle support 21 and two support assemblies 22 disposed at two sides of the middle support 21, the middle support 21 is, for example, long, the two support assemblies 22 are, for example, located at two sides of the middle support 21 in a width direction, and the two support assemblies 22 and the middle support 21 support the flexible panel 10 together. In a specific example, the flexible screen 10 is fixedly disposed with the two support members 22, and the flexible screen 10 is not fixedly disposed with the intermediate support member 21. The flexible screen 10 is fixedly arranged with the two support members 22, for example, by being adhesively fixed with oca (optical Clear adhesive) optical glue or foam glue. The foldable display device can be folded in half with the longitudinal direction of the intermediate support 21 as a folding line.

The folding display device in the embodiment of the invention has at least two states: a folded-in-half state as shown in fig. 1 and an unfolded state as shown in fig. 2. In the unfolded state, the flexible screen 10 is supported on the middle support member 21 and the two support assemblies 22, and in the folded state, the two support assemblies 22 are located on two sides of the folded flexible screen 10.

As shown in fig. 3 and 4, the foldable display device according to the embodiment of the invention further includes two sets of rotating members 30 and a fixing base 40, the two sets of rotating members 30 are located on two sides of the intermediate support 21, for example, the two sets of rotating members 30 are located on two sides of the width direction of the elongated intermediate support 21, and the rotating members 30 and the support members 22 on the same side of the intermediate support 21 are correspondingly disposed.

In the embodiment shown in fig. 4 and 5, each set of rotating members 30 includes a crankshaft 31, a rotating member 32, a connecting rod 33 and a connecting rod 34, the rotating member 32 is slidably connected to the supporting assembly 22 located on the same side of the middle supporting member 21, the crankshaft 31 drives the rotating member 32 to rotate, and the rotating member 32 is slidably connected to the crankshaft 31, the rotating member 32 slides toward the crankshaft 31 along the thickness direction of the flexible screen 10, the fixing seat 40 is located at one end of the crankshaft 31, two ends of the connecting rod 33 are respectively hinged to the fixing seat 40 and the rotating member 32, two ends of the connecting rod 34 are respectively hinged to the fixing seat 40 and the same supporting assembly 22, and the supporting assembly 22 moves toward the side away from the middle supporting member 21 relative to the rotating member 32 along the folding direction of the flexible screen 10.

When two supporting components 22 are oppositely folded relative to the middle supporting component 21, and then the flexible screen 10 is driven to be folded, the distance between the supporting component 22 and the middle supporting component 21 is increased, the flexible screen 10 and the two supporting components 22 are fixedly arranged, and the flexible screen 10 and the middle supporting component 21 are not fixed, so that the bending part of the flexible screen 10 is prevented from being extruded by the middle supporting component 21, and the flexible screen 10 is ensured to normally display. At the same time, the intermediate support 21 enables the intermediate portion of the flexible screen 10 to be supported as well.

According to the folding display device provided by the embodiment of the invention, the rotating piece 32 rotates under the combined action of the crankshaft 31 and the connecting rod 33 and slides towards the crankshaft 31, the sliding direction is the thickness direction of the flexible screen 10, the supporting component 22 rotates under the combined action of the rotating piece 32 and the connecting rod 34 and slides towards one side back to the middle supporting piece 21 relative to the rotating piece 32, the sliding direction is the folding direction of the flexible screen 10, the bent part of the flexible screen 10 is U-shaped under the action of the supporting component 22, and the thickness of the folded display device is thin after being folded; the flexible screen 10 is fixed with the two supporting components 22, the distance between the two supporting components 22 and the middle supporting component 21 is increased, and the bending part of the flexible screen 10 is not extruded by the middle supporting component 21, so that the thickness of the folding display device in a right folding state is ensured to be thin and the folding display device can normally display.

In a specific embodiment, the foldable display device further comprises a synchronization mechanism (not shown in the figures) connected to the crankshafts 31 of the two sets of rotating members 30, the crankshafts 31 of the two sets of rotating members 30 are synchronously rotated by the synchronization mechanism, and the crankshafts 31 synchronously rotate to enable the two folded parts of the foldable display device to synchronously move, specifically, the synchronization mechanism comprises a worm gear mechanism or a gear mechanism, for example.

In a specific embodiment, as shown in fig. 3, the foldable display device further includes an intermediate rotating frame 50, the crankshaft 31 of the two sets of rotating members 30 is rotatably disposed on the intermediate rotating frame 50, and the intermediate rotating frame 50 can function to support the crankshaft 31.

In a particular embodiment, the intermediate support 21 is elongated, each set of rotating members 30 comprises two crankshafts 31, two connecting rods 33 and two connecting rods 34, the number of fixed seats 40 is two, and the number of intermediate turrets 50 is two. In the length direction of the intermediate support 21, two fixed seats 40, two intermediate turrets 50, two crankshafts 31 in each set of rotating members 30, two connecting rods 33 in each set of rotating members 30, and two connecting rods 34 in each set of rotating members 30 are symmetrically arranged. In the present embodiment, two sets of the rotary members 30 are provided on both sides in the width direction of the intermediate support member 21, and two crankshafts 31, two connecting rods 33, two connecting rods 34, and one rotation piece 32 are arranged in each set of the rotary members 30 in the length direction of the intermediate support member 21.

In the specific embodiment shown in fig. 4 and 5, the two crankshafts 31 in each set of rotary members 30 are designated as first and

second crankshafts

311 and 312, the two connecting rods 33 in each set of rotary members 30 are designated as first and second connecting

rods

331 and 332, the two connecting rods 34 in each set of rotary members 30 are designated as first and second connecting

rods

341 and 342, the two fixed mounts 40 are designated as first and second

fixed mounts

401 and 402, and the two intermediate turrets 50 are designated as first and second

intermediate turrets

501 and 502.

In the embodiment shown in fig. 6, the fixing base 40 includes a fixing portion 403 and an S-shaped portion 404 connected to one side of the fixing portion, and the S-shaped portion 404 includes a first opening and a second opening. The connecting rods 33 of the two sets of rotating members 30 are connected to the same fixing portion 403, that is, the first connecting rods 331 of the two sets of rotating members 30 are both connected to the fixing portion 403 of the first fixing base 401, the second connecting rods 342 of the two sets of rotating members 30 are both connected to the fixing portion of the second fixing base 402, the connecting rods 34 of the two sets of rotating members 30 are respectively disposed in the first opening and the second opening, that is, the first connecting pieces 341 of the two sets of rotating members 30 are both disposed in the first opening and the second opening of the first fixing base 401, and the second connecting pieces 342 of the two sets of rotating members 30 are both disposed in the first opening and the second opening of the second fixing base 402. In a specific example, the fixing base 40 is integrally formed by the fixing portion 403 and the S-shaped portion 404.

In the embodiment shown in fig. 5, the rotating member 32 is provided with a long hole 321 at a position corresponding to the crankshaft 31, and the length direction of the long hole 321 is the thickness direction of the flexible screen 10. Specifically, the rotating member 32 is long, the length direction of the rotating member 32 is the same as that of the intermediate supporting member 21, two opposite mounting protrusions 322 are disposed on the side surface of the rotating member 32 facing the crankshaft 31, each of the two mounting protrusions 322 is provided with one elongated hole 321, the two elongated holes 321 are opposite, the length direction of the elongated hole 321 is the thickness direction of the flexible screen 10, correspondingly, the end portions of the two crankshafts 31 in each set of rotating members 30, which are away from each other, are respectively inserted into the elongated holes 321 on the corresponding side, and the side wall of each mounting protrusion 322, which is away from the other mounting protrusion, is connected to the connecting rod 33.

In the embodiment shown in fig. 4 and 5, the foldable display device further includes a base 60, the fixing base 40 and the middle rotating frame 50 are disposed above the base 60, that is, the first fixing base 401, the second fixing base 402, the first middle rotating frame 501 and the second middle rotating frame 602 are disposed above the base 60, and the middle supporting member 21 is connected to the base 60 and is located above the fixing base 40 and the middle rotating frame 50, that is, the middle supporting member 21 is located above the first fixing base 401, the second fixing base 402, the first middle rotating frame 501 and the second middle rotating frame 502.

In the embodiment shown in fig. 3, each set of support members 22 comprises a support frame 221 and a support member 222 connected to the support frame 221, the flexible screen 10 is positioned above the support member 222, the connecting rod 34 positioned at the same side of the intermediate support member 21 is hinged to the support frame 221, and the support member 222 is slidably connected to the rotating member 32 positioned at the same side of the intermediate support member 21.

In the embodiment shown in fig. 5, the side of the supporting member 222 facing away from the flexible screen 10 is provided with a sliding track 223, the rotating member 32 can be a plate member, for example, and the rotating member 32 on the same side of the middle supporting member 21 is inserted into the sliding track 223.

According to the folding display device provided by the embodiment of the invention, the crankshaft 31 drives the rotating part 32 to rotate, the rotating part 32 slides towards the crankshaft 31 under the action of the connecting rod 33, the sliding direction is the thickness direction of the flexible screen 10, the bent part of the flexible screen 10 is U-shaped under the action of the supporting part 222, the rotating part 32 drives the supporting frame 221 to rotate, the supporting frame 221 slides relative to the rotating part 32 under the action of the connecting rod 34, the sliding direction is the folding direction of the flexible screen 10, and the bent part of the flexible screen 10 is not extruded by the middle supporting part 21, so that the folding display device is guaranteed to be thin in thickness and normally display in a right folding state.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A folding display device is characterized by comprising a flexible screen (10), a supporting member (20), two groups of rotating members (30) and a fixed seat (40);

the supporting member (20) comprises a middle supporting piece (21) and two supporting assemblies (22) arranged at two sides of the middle supporting piece (21), the two supporting assemblies (22) and the middle supporting piece (21) support the flexible screen (10) together, and the flexible screen (10) and the two supporting assemblies (22) are fixedly arranged;

two sets of said rotating members (30) are located on either side of said intermediate support (21);

each group of rotating members (30) comprises a crankshaft (31), a rotating piece (32), a connecting rod (33) and a connecting rod (34), the rotating piece (32) is slidably connected with the supporting component (22) on the same side of the middle supporting piece (21), the fixed seat (40) is located at one end of the crankshaft (31), two ends of the connecting rod (33) are respectively hinged with the fixed seat (40) and the rotating piece (32), the rotating piece (32) is slidably connected with the crankshaft (31), the crankshaft (31) drives the rotating piece (32) to rotate, and the rotating piece (32) slides towards the crankshaft (31) along the thickness direction of the flexible screen (10) under the action of the connecting rod (33); two ends of the connecting rod (34) are respectively hinged with the fixed seat (40) and the same supporting component (22), and the supporting component (22) slides towards one side far away from the middle supporting piece (21) along the folding direction of the flexible screen (10) relative to the rotating piece (32).

2. The folding display device of claim 1, further comprising a synchronization mechanism coupled to said crankshafts (31) in both sets of said rotating members (30).

3. The folding display device of claim 2, wherein said synchronization mechanism comprises a worm gear mechanism or a gear mechanism.

4. The folding display device of claim 1, further comprising an intermediate turret (50), said crankshafts (31) of both sets of said rotating members (30) being rotatably disposed on said intermediate turret (50).

5. The folding display device of claim 4, characterized in that said intermediate support (21) is elongated, each set of said rotating members (30) comprising two crankshafts (31), two connecting rods (33) and two connecting rods (34), said fixed seats (40) being two in number, said intermediate rotating carriages (50) being two in number;

along the length direction of the middle support piece (21), the two fixing seats (40), the two middle rotating frames (50), the two crankshafts (31) in each group of rotating members (30), the two connecting rods (33) in each group of rotating members (30) and the two connecting rods (34) in each group of rotating members (30) are symmetrically arranged.

6. The folding display device of claim 4, wherein said holder (40) comprises a fixing portion (403) and an S-shaped portion (404) connected to one side of said fixing portion (403), said S-shaped portion (404) comprising a first opening and a second opening;

the connecting rods (33) of the two groups of rotating members (30) are connected with the fixed part (403);

the links (34) of the two sets of rotating members (30) are disposed in the first and second openings, respectively.

7. The folding display device of claim 6, further comprising a base (60), wherein said fixed base (40) and said intermediate turret (50) are disposed above said base (60), and wherein said intermediate support (21) is located above said fixed base (40) and said intermediate turret (50).

8. The foldable display device according to claim 1, wherein each set of said support members (22) comprises a support frame (221) and a support member (222) connected to said support frame (221), said flexible screen (10) is located above said support member (222), said connecting rod (34) located at the same side of said intermediate support member (21) is hinged to said support frame (221), and said support member (222) is slidably connected to said rotating member (32) located at the same side of said intermediate support member (21).

9. The folding display device of claim 8, wherein a side of the support element (222) facing away from the flexible screen (10) is provided with a sliding track (223), and the rotary element (32) on the same side as the intermediate support element (21) is inserted into the sliding track (223).

10. The folding display device according to claim 1, wherein the rotating member (32) is provided with a long hole (321) at a position corresponding to the crankshaft (31), and a length direction of the long hole (321) is a thickness direction of the flexible screen (10).